Because of the high, steep steps, those with leg-lift and/or arm-strength limitations can have problems accessing their truck cabs. Universal or custom-made Added Steps for Semis & Grain Trucks may provide the solution. Commercially available universal added steps consist of two grip-strut steps (12, 18, or 24 inches wide) in an aluminum housing, which is four-bolt-mounted to a semi's frame area; the steps are 12 inches apart. Custom-made added steps are commonly designed by local welding shops to either fit over any truck's existing cab-access steps or to provide extra steps to the existing ones.